BMW 3 Series E90, E91, E92 & E93 (2005-2013) Rear Upper Shock Mounting Bush 10mm 10mm - PFR5-416BLK For standard shock absorbers and performance shock absorber with a 10mm thread use PFR5-416.PFR5-416-12 fits performance shock absorber which has 12mm thread. - NOTE: Price is for CAR KIT, NOT per bush… Powerflex price their bushes individually, but we have combined the quantities to make it simple!